That's the number your arc-flash study and SCCR label care about. For DC circuits, it's rated 15 kA at 60 V (max 72 V), so it works in control-power or battery-backed bus applications.
IP20 with connected conductors — fine inside a sealed enclosure, not for washdown zones. The -40 °C to 75 °C operating range covers unheated warehouses and hot cabinet summers.
Listed under IEC/EN 60898-1 for household-type overcurrent protection and IEC/EN 60947-2 for industrial circuit-breaker duty, plus UL 1077 and CSA C22.2 No. 235 for North American supplementary protection (5 kA at AC). Overvoltage category III and energy limitation class 3. Neutral conductor is switched, which is expected for a 4-pole breaker but worth confirming if you're replacing a 3-pole unit with a solid neutral. The lifecycle status is current — no end-of-life notice, no successor announced. This is a standard catalog line, not a phase-out risk for your BOM.